[ovirt-users] GFS2 and OCFS2 for Shared Storage

Pavel Gashev Pax at acronis.com
Wed Nov 23 13:26:53 UTC 2016


Fernando,

oVirt supports thin provisioning for shared block storages (DAS or iSCSI). It works using QCOW2 disk images directly on LVM volumes. oVirt extends volumes when QCOW2 is growing.

I tried GFS2. It's slow, and blocks other hosts on a host failure.

-----Original Message-----
From: <users-bounces at ovirt.org> on behalf of Fernando Frediani <fernando.frediani at upx.com.br>
Date: Wednesday 23 November 2016 at 15:03
To: "users at ovirt.org" <users at ovirt.org>
Subject: [ovirt-users] GFS2 and OCFS2 for Shared Storage

Has anyone managed to use GFS2 or OCFS2 for Shared Block Storage between 
hosts ? How scalable was it and which of the two work better ?

Using traditional CLVM is far from good starting because of the lack of 
Thinprovision so I'm willing to consider either of the Filesystems.

Thanks

Fernando

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